75898140 has 24 divisors (see below), whose sum is σ = 212514960. Its totient is φ = 20239488.

The previous prime is 75898127. The next prime is 75898153. The reversal of 75898140 is 4189857.

It is an interprime number because it is at equal distance from previous prime (75898127) and next prime (75898153).

It is a junction number, because it is equal to n+sod(n) for n = 75898092 and 75898101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632425 + ... + 632544.

It is an arithmetic number, because the mean of its divisors is an integer number (8854790).

Almost surely, 2^75898140 is an apocalyptic number.

It is an amenable number.

75898140 is an abundant number, since it is smaller than the sum of its proper divisors (136616820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75898140 is a wasteful number, since it uses less digits than its factorization.

75898140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264981 (or 1264979 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 75898140 is about 8711.9538566271. The cubic root of 75898140 is about 423.3930365435.

The spelling of 75898140 in words is "seventy-five million, eight hundred ninety-eight thousand, one hundred forty".